Wolfram Research
Wolfram Math World: Polar Coordinates
This math link contains a plethora of information on Polar coordinates. The site begins with a diagram illustrating the measurements used when working with polar coordinates then goes into detail on specifics of using this coordinate...
Cool Fire Technology
Customary & Metric Systems of Measurement Area Measure
Scroll down to the bottom of the page to view a table which lists measurement conversions for area.
University of Waterloo (Canada)
University of Waterloo: Cemc: Metric Conversion [Pdf]
This worksheet is designed for Grade 7 students. The students are expected to: i. understand both metric and customary systems of measurement ii. understand relationships among units and convert from one unit to another within the same...
AAA Math
Aaa Math: Dividing Feet and Inches
This site reviews the process of converting feet to inches and inches to feet using multiplication or division. Students can practice the skills through self-check exercises and timed learning games.
Illustrative Mathematics
Illustrative Mathematics: N q.a.1: Fuel Efficiency
The problem requires learners to not only convert miles to kilometers and gallons to liters but they also have to deal with the added complication of finding the reciprocal at some point. Aligns with N-Q.A.1.
Khan Academy
Khan Academy: Estimating Mass (Ounces and Pounds)
Practice estimating the mass of real life objects using US customary units. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Math.com
Math.com: Energy/work Equivalents
A tool for converting values between units of measurement for energy and work.
National Council of Teachers of Mathematics
Nctm: Figure This: Body Mass What's Your Index? (Pdf)
If you like tackling formulas, then this math challenge is for you. See if you can calculate Helix's BMI (body mass index) and find out if his health is at risk. A one page NCTM Math Challenges for Families activity that engages learners...
US Energy Information Administration
U.s. Eia Energy Kids: Energy Calculators
A series of useful calculators for converting different sources of energy from one energy unit to another. Find conversion calculators for coal, electricity, natural gas, crude oil, gasoline, and diesel fuel, along with an additional...
Google
Google for Education: Degrees and Radians
Students label key points on the unit circle in both radians and degrees. They count their way around the circle in 30-degree increments, and then again in increments of radians. Finally, students go through a similar process for angles...
Other
New York State Education Department: Seventh Grade Math, Book One (2006) [Pdf]
Part one of two; The March 2006 7th grade Math test from the State of New York. The test is 30 multiple-choice questions ranging among topics such as number sense (scientific notation, factors), geometry (shape identification, nets),...
Texas Instruments
Texas Instruments: A Penny for Your Height
In this activity, students study English to Metric conversions. They investigate the relationship between inches and centimeters by measuring their height in these units and converting the measurements.
Texas Instruments
Texas Instruments: Math Today for Ti Navigator Usa Money in Circulation
Students will determine the approximate number of $20 bills in circulation as of December 31, 2001, using percent and total number of bills from the USA TODAY Snapshot "USA money in circulation." Students will write their answers in...
Science Education Resource Center at Carleton College
Serc: The Mole in Chemistry: Determining the Number of Atoms in Everyday Items
Students explore the concept of the mole as a measure of quantity. They build spreadsheets that allow them to convert between moles, grams, and atomic mass units for given quantities of everyday items, elements, and simple chemical...
Better Lesson
Better Lesson: Power to the 10! Conversions With the Metric System
Sixth graders will be using ratio tables to convert units of metric measurements and looking for patterns to help make the problems easier.
Math Is Fun
Math Is Fun: Interactive Thermometer
An interactive thermometer shows temperature in both Celsius and Fahrenheit and "translates" the temperature you choose into real life situations, like "Fun in the Snow," "Nice Sunny Day," or "Boiling Water."
ClassFlow
Class Flow: Temperature Heat and the Sun
[Free Registration/Login Required] In this lesson students are introduced to temperature, heat and solar radiation. Students learn the methods of measuring and converting temperature between different units and identifying factors which...